BioAcoustica is a free, open repository of wildlife sound recordings from the Natural History Museum, London.
Taxonomic index of the BioAcoustica collection
Acoustic and biological measurements in the BioAcoustica collection
Recording annotations from ann-o-mate
The specimens that recordings are of, from the collections
Where the specimens that recordings are of were collected, not where the sound was recorded
Totally, 28 records from six males were examined. The calling song consists of phrases (Figure 6B) with irregular intervals. Phrase durations vary between 0.15 and 0.42 s (0.21 ± 0.03) and each phrase contains 6–13 syllables (9.73 ± 1.14). The phrase begins with a characteristic and isolated first long hemisyllable, which has a longer duration and a higher amplitude according to remaining/ordinary hemisyllables in phrase. The isolated first long hemisyllable durations are variable within intra and inter-populations of species (Oltu: 14–33 ms; Ocak: 24–26 ms, Hazarbaba: 21–25 ms and Çelikhan: 25–30 ms). After isolate first long hemisyllable, the phrase continues with 6–9 lower amplitudes syllables (generally corresponds to 2/3 of phrase) and then continues with relatively higher amplitude syllables (Figure 6C). Oscillographic analyses show that syllable periods duration varies between 14.16 and 33.89 ms (23.11 ± 1.98), and each syllable shows approximately a standard structure which is formulated as soft and long opening hemisyllable + loud and short closing hemisyllable (Figure 6D). The opening hemisyllables duration varies between 12.00–19.06 ms (14.86 ± 1.33), while closing hemisyllable lasts for 5.00–16.30 ms (9.11 ± 1.58). The phrase ends with last hemi syllable, which has longer duration than the previous hemisyllables in phrase and its duration varies between 15.44 and 24.05 ms (20.97 ± 1.51).